CN210431962U

CN210431962U - Intelligent lamp circuit

Info

Publication number: CN210431962U
Application number: CN201920880233.3U
Authority: CN
Inventors: 姚斌雄
Original assignee: Ningbo Klite Electric Manufacture Co Ltd
Current assignee: Ningbo Klite Electric Manufacture Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-28
Anticipated expiration: 2029-06-12

Abstract

The utility model relates to an intelligent lamp circuit has solved the technical problem that original lamp flicker, entering joined in marriage net mode difficulty when turning on the light. The circuit comprises a rectification filter circuit, a dimming control circuit, a module power supply circuit and a wireless control module, wherein the input end of the rectification filter circuit is connected with a mains supply, the first output end of the rectification filter circuit is connected with the dimming control circuit, the second output end of the rectification filter circuit is connected with the module power supply circuit, the module power supply circuit is connected with the wireless control module, and the wireless control module is connected with the dimming control circuit. In the using process of the utility model, the LED lamp bead group has no flicker; after the switch is turned off for three times, the network distribution mode can be quickly entered; dimming and color temperature can be performed simultaneously.

Description

Intelligent lamp circuit

Technical Field

The utility model relates to a light, especially an intelligent lamp circuit.

Background

At present, various household appliances used in life mostly have the function of connecting with the internet, and some household appliances are provided with network interfaces and are accessed into the network through network cables; some appliances access the network via wireless. When a large number of household appliances capable of being connected with the internet are needed in life, the household appliances are connected to the internet in a wired mode, and each household appliance needs one network cable, so that the number of the network cables is too large, and the cost and potential safety hazards are increased; when the household appliances are accessed to the internet in a wireless mode, the wireless network codes are accessed or modified for the first time, the household appliances need to be identified and matched with the wireless network again, the operation is increased, and the condition of unsuccessful connection occurs. When the existing intelligent control lamp is not connected to the Internet, the situation of flickering can occur when the lamp is turned on until the lamp is connected to the Internet.

For example, chinese patent document CN204190990U discloses a "wireless intelligent control dimming system", which comprises a power module, an LED driving circuit, a main control circuit, an LED lamp set, a bluetooth module, a wireless driving module, and an operation interface, wherein the power module is electrically connected to the LED driving circuit, the main control circuit, the LED lamp set, the bluetooth module, and the wireless driving module respectively, an output signal of the operation interface is an input signal of the main control circuit through the bluetooth module, an output signal of the main control circuit is an input signal of the LED driving circuit, and another output signal is transmitted to the LED lamp set through the wireless driving module. Above-mentioned utility model has adopted wireless mode promptly to insert household electrical appliances into the internet, and whether the bluetooth is connected in the user interface that gets into APP to the selection, just can carry out wireless control after the bluetooth is connected successfully. However, bluetooth is vulnerable to interference from external signals, and a connection failure occurs, and its transmission rate is low and transmission distance is short.

Disclosure of Invention

The utility model mainly solves the technical problems that the lamp flickers when the lamp is turned on and the network distribution mode is difficult to enter; the intelligent lamp circuit is provided, and when the lamp is turned on, the LED lamp bead group does not flicker; the network distribution mode can be quickly entered.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model discloses a rectification filter circuit, dimming control circuit, module supply circuit and wireless control module group, the commercial power is connected to rectification filter circuit's input, rectification filter circuit's first output links to each other with dimming control circuit, and the second output links to each other with module supply circuit, module supply circuit and wireless control module group link to each other, wireless control module group and dimming control circuit connect.

Rectifier filter circuit converts the alternating current to the direct current, for dimming control circuit and module supply circuit power supply, module supply circuit converts the direct current voltage into the required voltage of wireless control module, for wireless control module power supply, the signal of outside light modulation and mixing of colors temperature can be accepted to wireless control module to control dimming control circuit realizes intelligent control circuit, adopts the switch to turn off the cubic and gets into and join in marriage the net mode, compares more stable, convenient with general wireless connection.

Preferably, the rectifier filter circuit comprises a rectifier bridge BS11, a capacitor CD21, a capacitor CD22 and an inductor L21, wherein pins 1 and 3 of the rectifier bridge BS11 are connected to a mains supply, pins 4 of the rectifier bridge BS11 are grounded, pins 2 of the rectifier bridge BS11 are respectively connected to the positive electrode of the capacitor CD21 and the first end of the inductor L21, the second end of the inductor L21 is connected to the positive electrode of the capacitor CD22, the negative electrodes of the capacitor CD21 and the capacitor CD22 are grounded, the positive electrode of the capacitor CD22 is connected to the dimming control circuit, and pins 2 of the rectifier bridge BS11 are further connected to the module power supply circuit.

The rectification filter circuit converts alternating current provided by a power supply into smooth direct current, wherein a CLC filtering mode is adopted, so that most of alternating current signals are absorbed by an inductor and converted into magnetic field energy and heat energy, and the rest of alternating current signals are grounded by a bypass capacitor, so that interference signals are inhibited, and purer direct current signals are obtained.

Preferably, the rectifier filter circuit further comprises a diode DS21, the diode DS21 is connected in series with the inductor L21, the anode of the diode DS21 is connected with the anode of the capacitor CD21, and the cathode of the diode DS21 is connected with the first end of the inductor L21.

Diode DS21 plays the effect of separation for electric capacity CD21 is for module supply circuit and dimming control circuit power supply simultaneously when the switch disconnection, and electric capacity CD22 only supplies power for dimming control circuit when the switch disconnection, and through the size of adjusting CD21 electric capacity, makes the power supply maintenance time of module supply circuit when the switch disconnection fall to below 0.5s, is favorable to realizing that quick cubic switch gets into the distribution network mode.

Preferably, the dimming control circuit comprises a resistor RS31A, a resistor RS41, a resistor RS32A, a resistor RS42, a resistor RS61, a chip US41, a first LED lamp bead group and a second LED lamp bead group, the chip US41 adopts a dimmable LED constant current driving chip, the second end of the resistor RS31A is connected with a PWM1 terminal of the chip US41, the first end of the resistor RS41 is connected with a CS1 terminal of the chip US41, the second end of the resistor RS32A is connected with a PWM2 terminal of the chip US41, the first end of the resistor RS 2 is connected with a CS2 terminal of the chip US 2, the first ends of the resistor RS31 2 and the resistor RS32 2 are respectively connected with the wireless control module, the second ends of the resistor RS 2 and the resistor RS 2 are grounded, the first end of the resistor RS 2 is connected with the CS2 terminal of the chip US 2, the positive poles of the first LED lamp bead group and the second LED lamp bead group are connected with the first end of the WW 2, the second end of the resistor VIN 2 is connected with the rectifying and the second end of the first LED lamp bead group 2, and the second end, and the negative electrode of the second LED lamp bead group is connected with a D2 terminal of the chip US 41.

The dimming control circuit receives the PWM signal or the analog dimming signal transmitted by the wireless control module, and controls the load current of different LED lamp bead groups, so that the required illumination brightness and color temperature are obtained.

Preferably, the dimming control circuit further comprises a resistor RS31B and a resistor RS32B, a first end of the resistor RS31A is connected to a first end of the resistor RS31B, a first end of the resistor RS32A is connected to a first end of the resistor RS32B, and a second end of the resistor RS31B and a second end of the resistor RS32B are grounded.

When turning on the light, because whole circuit has not got into and joins in marriage net mode, chip US41 among the dimming control circuit can't receive the signal of wireless control module group, and it produces little impulse out of control to lead to LED lamp pearl group can appear the problem of scintillation when turning on the light, add resistance RS31B and resistance RS32B in dimming control circuit and can eliminate impulse absorption, prevent LED lamp pearl group scintillation when turning on the light.

Preferably, the chip US41 adopts a BP5778 multi-segment linear dimmable LED constant current driving chip.

The chip US41 adopts a BP5778 multi-segment linear dimmable LED constant current driving chip, which supports receiving PWM and analog dimming signals, and can not only dim light, but also adjust color temperature. One driving chip is connected with different LED lamp bead groups through multi-channel output, and the load current of the different LED lamp bead groups is controlled at the same time.

Preferably, the wireless control module comprises a chip US51, the chip US51 adopts a TYLC8 WIFI control chip, an IO14W terminal of the chip US51 is connected with a first end of a resistor RS31A and a first end of a resistor RS31B, an IO12W terminal of the chip US51 is connected with a first end of a resistor RS32A and a first end of a resistor RS32B, a GND terminal of the chip US51 is grounded, and a 3.3V terminal of the chip US51 is connected with the module power supply circuit.

The wireless control module receives external dimming and color temperature adjusting signals, processes the signals and outputs different PWM (pulse width modulation) signals or analog dimming signals to the dimming control circuit; when the switch is turned off three times continuously, the chip US51 detects the voltage change information of the own terminals PWM1 and PWM2, so as to realize entering the distribution network mode.

Preferably, the module power supply circuit comprises a resistor RS63, a resistor RS6131A, a resistor RS6131B, a capacitor CS6131, a capacitor CS6161, a capacitor CD62, an inductor L6141, a diode DS6141 and a chip US61, the chip US61 adopts a BP8516F non-isolated step-down constant voltage driving chip, the first end of the resistor RS6131B is connected with the first end of the resistor RS6131A, the first end of the capacitor CS6131 and the FB terminal of the chip US61, the second end of the capacitor CS6161 is connected with a VCC terminal of a chip US61, the D terminal of the chip US61 is connected with the second output end of the rectifying and filtering circuit, the second end of the resistor RS6131B, the capacitor CS6161, the second end of the inductor L6141, the GND terminal of the chip US61 and the cathode of the diode DS6141 are connected with the signal ground, the positive electrode of the capacitor CD62 is connected with the second end of the resistor RS6131A, the first end of the inductor L6141 and the first end of the resistor RS63, the negative electrode of the capacitor CD62, the anode of the diode DS6141 and the second end of the resistor RS63 are grounded, and the first end of the inductor L6141 outputs 3.3V voltage and is connected with the wireless control module.

The direct current that the alternating current converted through the rectifier filter circuit not only will give the control circuit of adjusting luminance, still give the power supply of wireless control module group, however the required operating voltage of control circuit of adjusting luminance is inequality with the wireless control module group, consequently need add a module supply circuit between rectifier filter circuit and wireless control module group, module supply circuit can convert the voltage of the electric current of rectifier filter circuit output into the required voltage of wireless control module group inner core piece, play the function of voltage conversion.

The utility model has the advantages that: 1) the resistance is used for absorbing impact pulses generated by out-of-control consumption of the chip, so that the LED lamp bead group does not flicker when the lamp is turned on; 2) the capacitance capacity is reduced by using the diode for blocking, the power supply maintaining time of the module power supply circuit is shortened, and the module power supply circuit can enter a distribution network mode quickly; 3) and a driving chip is adopted for multi-channel output, and dimming and color temperature are simultaneously adjusted.

Drawings

Fig. 1 is a block diagram of a circuit principle connection structure of the present invention.

Fig. 2 is a schematic circuit diagram of the present invention.

In the figure: 1. the wireless control module comprises a rectification filter circuit, 2a dimming control circuit, 3 a module power supply circuit and 4 a wireless control module.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the intelligent lamp circuit of this embodiment, as shown in fig. 1, including rectifier filter circuit 1, dimming control circuit 2, module supply circuit 3 and wireless control module group 4, the commercial power is connected to rectifier filter circuit's input, and rectifier filter circuit's first output links to each other with dimming control circuit, and the second output links to each other with module supply circuit, and module supply circuit and wireless control module group link to each other, and wireless control module group and dimming control circuit are connected.

As shown in fig. 2, the rectifying and filtering circuit includes a rectifying bridge BS11, a capacitor CD21, a capacitor CD22, an inductor L21 and a diode DS21, wherein pin 1 and pin 3 of the rectifying bridge BS11 are connected to the mains supply, pin 2 of the rectifying bridge BS11 is connected to the positive electrode of the capacitor CD21 and the positive electrode of the diode DS21, the cathode of the diode DS21 is connected to the first end of the inductor L21, the second end of the inductor L21 is connected to the positive electrode of the capacitor CD22, the second end of the inductor L21 is connected to the positive electrodes of the first LED lamp bead group and the second LED lamp bead group in the dimming control circuit, pin 2 of the rectifying bridge BS11 is connected to the D terminal of the chip US61 in the module power supply circuit, and the negative electrode of the capacitor CD21, the negative electrode of the capacitor CD22 and pin 4.

The dimming control circuit comprises a resistor RS31A, a resistor RS31B, a resistor RS41, a resistor RS32A, a resistor RS32B, a resistor RS42, a resistor RS61, a chip US41, a first LED lamp bead group and a second LED lamp bead group, wherein the chip US41 adopts a BP5778 multi-section linear dimmable LED constant-current driving chip, the first LED lamp bead group comprises 7 LED lamp beads including a lamp bead CW1 and a lamp bead CW7, and the second LED lamp bead group comprises 7 LED lamp beads including a lamp bead WW1 and a lamp bead WW 7. A first end of a resistor RS31A is connected with a first end of a resistor RS31B, a second end of the resistor RS31A is connected with a PWM1 terminal of a chip US41, a first end of a resistor RS41 is connected with a CS1 terminal of a chip US41, and a second end of the resistor RS41 is connected with a second end of an RS31B and grounded together; a first end of a resistor RS32A is connected with a first end of a resistor RS32B, a second end of the resistor RS32A is connected with a PWM2 terminal of a chip US41, a first end of a resistor RS42 is connected with a CS2 terminal of a chip US41, and a second end of the resistor RS42 is connected with a second end of a resistor RS32B and grounded together; the first end of resistance RS61 is connected with chip US 41's VIN terminal, and the positive pole of first LED lamp pearl group and second LED lamp pearl group is connected with resistance RS61 second end and inductance L21 second end, and the negative pole of first LED lamp pearl group is connected with chip US 41's D1 terminal, and the negative pole of second LED lamp pearl group is connected with chip US 41's D2 terminal, and chip US 41's GND terminal ground.

The wireless control module comprises a chip US51, the wireless can be ZIGBEE, 4G, 5G, WIFI and the like, in the embodiment, the chip US51 adopts a TYLC8 WIFI control chip, an IO14W terminal of the chip US51 is connected with a first end of a resistor RS31A and a first end of a resistor RS31B, an IO12W terminal of the chip US51 is connected with a first end of a resistor RS32A and a first end of a resistor RS32B, and a GND terminal of the chip US51 is grounded.

The module power supply circuit comprises a resistor RS63, a resistor RS6131A, a resistor RS6131B, a capacitor CS6131, a capacitor CS6161, a capacitor CD62, an inductor L6141, a diode DS6141 and a chip US61, wherein the chip US61 adopts a BP8516F non-isolated step-down constant voltage driving chip, the first end of the resistor RS6131B is connected with the first end of the resistor RS6131A, the first end of the capacitor CS6131 and an FB terminal of the chip US61, the second end of the capacitor CS6161 is connected with a VCC terminal of the chip US61, the D terminal of the chip US61 is connected with an anode of the diode DS21, the second end of the resistor RS 61B, the capacitor CS6161, the second end of the inductor L6141, a GND terminal of the chip US61 and a cathode of the diode DS6141 are connected with a signal ground, the positive electrode of the capacitor CD62 is connected with the second end of the resistor RS 61A, the first end of the inductor L6141, the first end of the resistor RS63, the negative electrode of the diode CD 6142, the anode of the diode 6141, the.

The switch is turned on, after the alternating current is electrified, the alternating current obtains smooth direct current through rectification and filtering of the rectification and filtering circuit, one part of the direct current is output to the dimming control circuit, a chip US41 in the dimming control circuit cannot receive signals of the wireless control module because the chip US41 does not enter a distribution network mode, tiny impact pulses generated by runaway during electrification are absorbed and eliminated by a resistor RS31B and a resistor RS32B, the first LED lamp bead group and the second LED lamp bead group emit light and do not flicker, the rest part of the impact pulses are output to the module power supply circuit, and the module power supply circuit converts the direct current into 3.3V direct current required by a TYLC8 chip in the wireless control module; the switch is disconnected, the capacitor CD21 in the tidying filter circuit discharges, one part of the capacitor CD21 is consumed and released by the dimming control circuit, the other part of the capacitor CD21 is consumed and released by the module power supply circuit, the capacity of the capacitor CD21 is small, and the two circuits consume the stored electric quantity of the capacitor CD together, so that the power supply time of the module power supply circuit is maintained below 0.5S after the switch is disconnected, namely the voltage maintaining time of the IO14CW terminal and the IO12CW terminal of the wireless control module chip US51 is below 0.5S, and the time of entering a distribution network mode is shortened.

Switch off 3 times altogether as above, get into and join in marriage the net mode, the user can select self required light luminance and colour temperature at processing terminal (like cell-phone, computer etc.), then convey the information of selecting to wireless control module through wireless mode, wireless control module receives the signal of outside light modulation and mixing of colors temperature, and handle the signal, output different PWM signal or simulation light modulation signal give the control circuit that adjusts luminance, the control circuit that adjusts luminance receives different PWM signal or simulation light modulation signal, control the load current size of different LED lamp pearl groups, thereby control two way LED lamp pearl groups and adjust luminance, mix colors temperature, adjust luminance and colour temperature that the user needs.

Claims

1. The utility model provides an intelligent lamp circuit, its characterized in that includes rectifier filter circuit, dimming control circuit, module supply circuit and wireless control module group, the commercial power is connected to rectifier filter circuit's input, rectifier filter circuit's first output links to each other with dimming control circuit, and the second output links to each other with module supply circuit, module supply circuit and wireless control module group link to each other, wireless control module group and dimming control circuit connect.

2. A smart lamp circuit as claimed in claim 1, wherein the rectifier filter circuit comprises a rectifier bridge BS11, a capacitor CD21, a capacitor CD22 and an inductor L21, wherein pins 1 and 3 of the rectifier bridge BS11 are connected to a mains supply, pin 4 of the rectifier bridge BS11 is grounded, pin 2 of the rectifier bridge BS11 is connected to the positive electrode of the capacitor CD21 and the first end of the inductor L21 respectively, the second end of the inductor L21 is connected to the positive electrode of the capacitor CD22, the negative electrodes of the capacitor CD21 and the capacitor CD22 are grounded, the positive electrode of the capacitor CD22 is connected to the dimming control circuit, and pin 2 of the rectifier bridge BS11 is further connected to the module power supply circuit.

3. A smart lamp circuit as claimed in claim 2, wherein the rectifier filter circuit further comprises a diode DS21, the diode DS21 is connected in series with the inductor L21, the anode of the diode DS21 is connected to the anode of the capacitor CD21, and the cathode of the diode DS21 is connected to the first terminal of the inductor L21.

4. A smart lamp circuit as claimed in claim 1, wherein the dimming control circuit comprises a resistor RS31A, a resistor RS41, a resistor RS32A, a resistor RS42, a resistor RS61, a chip US41, a first LED lamp bead group and a second LED lamp bead group, the chip US41 is a dimmable LED constant current driving chip, the second end of the resistor RS31A is connected with a PWM1 terminal of the chip US41, the first end of the resistor RS41 is connected with a CS1 terminal of the chip US41, the second end of the resistor RS32A is connected with a PWM2 terminal of the chip US41, the first end of the resistor RS42 is connected with a CS2 terminal of the chip US41, the first end of the resistor RS31A and the first end of the resistor RS32A are respectively connected with the wireless control module, the second end of the resistor RS41 and the second end of the resistor RS42 are grounded, the first end of the resistor RS61 is connected with a CS 41 terminal of the chip US41, the first end of the first LED lamp bead group and the second LED lamp bead group are connected with a positive pole VIN rectifying output terminal and a WWRS 61, the negative pole of first LED lamp pearl group is connected with the D1 terminal of chip US41, the negative pole of second LED lamp pearl group is connected with the D2 terminal of chip US 41.

5. A smart lamp circuit as defined in claim 4, wherein said dimming control circuit further comprises a resistor RS31B and a resistor RS32B, said resistor RS31A is connected to said resistor RS31B at a first end, said resistor RS32A is connected to said resistor RS32B at a first end, and said resistor RS31B and said resistor RS32B at a second end are grounded.

6. A smart lamp circuit as claimed in claim 4, wherein the chip US41 is a BP5778 multi-segment linear dimmable LED constant current driving chip.

7. A smart lamp circuit as claimed in claim 5, wherein the wireless control module comprises a chip US51, the chip US51 adopts a TYLC8 WIFI control chip, an IO14W terminal of the chip US51 is connected with a first end of a resistor RS31A and a first end of a resistor RS31B, an IO12W terminal of the chip US51 is connected with a first end of a resistor RS32A and a first end of a resistor RS32B, a GND terminal of the chip US51 is grounded, and a 3.3V terminal of the chip US51 is connected with the module power supply circuit.

8. The intelligent lamp circuit according to claim 1, wherein the module power supply circuit comprises a resistor RS63, a resistor RS6131A, a resistor RS6131B, a capacitor CS6131, a capacitor CS6161, a capacitor CD62, an inductor L6141, a diode DS6141 and a chip US61, the chip US61 adopts a BP8516F non-isolated step-down type constant voltage driving chip, a first end of the resistor RS6131B is connected with a first end of the resistor RS6131A, a first end of the capacitor CS6131 and an FB terminal of the chip US61, a second end of the capacitor CS6161 is connected with a VCC terminal of the chip US61, a D terminal of the chip US61 is connected with a second output end of the rectifying and filtering circuit, a second end of the resistor RS6131B, a capacitor CS6161, a second end of the inductor L6141, a cathode terminal of the chip US61 and a cathode of the diode DS 3641 are connected with a signal ground, an anode of the capacitor RS 632 is connected with a second end of the resistor RS 618, a second end of the resistor RS6131, a second end of the inductor L6141, a cathode of the resistor RS 6123 and a cathode of the diode DS 63, the first end of the inductor L6141 outputs 3.3V voltage to be connected with the wireless control module.